fix(bitbucket): properly get the publiccode.yml (#359)

The branch name is required to get the publiccode.yml from Bitbucket.
Also, improve the returned error.

go.mod

@@ -6,16 +6,16 @@ require (
 	github.com/hashicorp/go-retryablehttp v0.7.1
 	github.com/italia/httpclient-lib-go v0.0.0-20201009133728-9044482688d7
 	github.com/italia/publiccode-parser-go/v3 v3.0.4
-	github.com/ktrysmt/go-bitbucket v0.9.47
+	github.com/ktrysmt/go-bitbucket v0.9.63
 	github.com/prometheus/client_golang v1.11.1
-	github.com/prometheus/client_model v0.2.0
+	github.com/prometheus/client_model v0.3.0
 	github.com/sirupsen/logrus v1.7.0
 	github.com/spf13/cobra v1.0.0
 	github.com/spf13/viper v1.7.0
-	github.com/stretchr/testify v1.7.2
+	github.com/stretchr/testify v1.8.4
 	github.com/xanzy/go-gitlab v0.57.0
 	golang.org/x/exp v0.0.0-20220907003533-145caa8ea1d0
-	golang.org/x/oauth2 v0.0.0-20200902213428-5d25da1a8d43
+	golang.org/x/oauth2 v0.10.0
 	gopkg.in/src-d/go-git.v4 v4.13.1
 	gopkg.in/yaml.v2 v2.3.0
 	gopkg.in/yaml.v3 v3.0.1
@@ -24,15 +24,15 @@ require (
 require (
 	github.com/Jeffail/gabs v1.4.0 // indirect
 	github.com/beorn7/perks v1.0.1 // indirect
-	github.com/cespare/xxhash/v2 v2.1.1 // indirect
+	github.com/cespare/xxhash/v2 v2.2.0 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/dyatlov/go-oembed v0.0.0-20180429203341-4bc5ab7a42e9 // indirect
 	github.com/emirpasic/gods v1.12.0 // indirect
 	github.com/fsnotify/fsnotify v1.4.7 // indirect
 	github.com/go-playground/locales v0.14.0 // indirect
 	github.com/go-playground/universal-translator v0.18.0 // indirect
 	github.com/go-playground/validator/v10 v10.10.1 // indirect
-	github.com/golang/protobuf v1.4.3 // indirect
+	github.com/golang/protobuf v1.5.3 // indirect
 	github.com/google/go-querystring v1.1.0 // indirect
 	github.com/hashicorp/go-cleanhttp v0.5.1 // indirect
 	github.com/hashicorp/hcl v1.0.0 // indirect
@@ -44,15 +44,15 @@ require (
 	github.com/magiconair/properties v1.8.1 // indirect
 	github.com/matttproud/golang_protobuf_extensions v1.0.1 // indirect
 	github.com/mitchellh/go-homedir v1.1.0 // indirect
-	github.com/mitchellh/mapstructure v1.1.2 // indirect
+	github.com/mitchellh/mapstructure v1.5.0 // indirect
 	github.com/pelletier/go-toml v1.2.0 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/prometheus/common v0.26.0 // indirect
 	github.com/prometheus/procfs v0.6.0 // indirect
 	github.com/rivo/uniseg v0.1.0 // indirect
 	github.com/sergi/go-diff v1.0.0 // indirect
 	github.com/smartystreets/assertions v1.1.1 // indirect
-	github.com/spf13/afero v1.1.2 // indirect
+	github.com/spf13/afero v1.9.2 // indirect
 	github.com/spf13/cast v1.3.0 // indirect
 	github.com/spf13/jwalterweatherman v1.0.0 // indirect
 	github.com/spf13/pflag v1.0.3 // indirect
@@ -61,13 +61,13 @@ require (
 	github.com/thoas/go-funk v0.7.0 // indirect
 	github.com/tomnomnom/linkheader v0.0.0-20180905144013-02ca5825eb80 // indirect
 	github.com/xanzy/ssh-agent v0.2.1 // indirect
-	golang.org/x/crypto v0.1.0 // indirect
-	golang.org/x/net v0.7.0 // indirect
-	golang.org/x/sys v0.5.0 // indirect
-	golang.org/x/text v0.7.0 // indirect
-	golang.org/x/time v0.0.0-20191024005414-555d28b269f0 // indirect
+	golang.org/x/crypto v0.11.0 // indirect
+	golang.org/x/net v0.12.0 // indirect
+	golang.org/x/sys v0.10.0 // indirect
+	golang.org/x/text v0.11.0 // indirect
+	golang.org/x/time v0.3.0 // indirect
 	google.golang.org/appengine v1.6.7 // indirect
-	google.golang.org/protobuf v1.26.0-rc.1 // indirect
+	google.golang.org/protobuf v1.31.0 // indirect
 	gopkg.in/ini.v1 v1.57.0 // indirect
 	gopkg.in/src-d/go-billy.v4 v4.3.2 // indirect
 	gopkg.in/warnings.v0 v0.1.2 // indirect