chore: add ssh-keygen and deps (#188)

Issue #, if available:

*Description of changes:*
- Accidentally removed from previous PR

*Testing done:*


- [x] I've reviewed the guidance in CONTRIBUTING.md


#### License Acceptance

By submitting this pull request, I confirm that my contribution is made
under the terms of the Apache 2.0 license.

Signed-off-by: Justin Alvarez <[email protected]>

Makefile

@@ -152,6 +152,8 @@ $(LIMA_OUTDIR)/bin/ssh.exe:
 	cp $(WINGIT_TEMP_DIR)/usr/bin/tar.exe $(LIMA_OUTDIR)/bin/
 	# From https://packages.msys2.org/package/openssh?repo=msys&variant=x86_64
 	cp $(WINGIT_TEMP_DIR)/usr/bin/ssh.exe $(LIMA_OUTDIR)/bin/
+	# From https://packages.msys2.org/package/openssh?repo=msys&variant=x86_64
+	cp $(WINGIT_TEMP_DIR)/usr/bin/ssh-keygen.exe $(LIMA_OUTDIR)/bin/
 
 	# Dependency DLLs, extracted with https://github.com/lucasg/Dependencies
 	# Dependencies.exe -chain $(WINGIT_TEMP_DIR)\usr\bin\ssh.exe -depth 3 -json
@@ -169,6 +171,8 @@ $(LIMA_OUTDIR)/bin/ssh.exe:
 
 	# Required by ssh.exe, from https://packages.msys2.org/package/libopenssl?repo=msys&variant=x86_64
 	cp $(WINGIT_TEMP_DIR)/usr/bin/msys-crypto-3.dll $(LIMA_OUTDIR)/bin/
+	# Required by ssh-keygen.exe, from https://packages.msys2.org/package/libopenssl?repo=msys&variant=x86_64
+	cp $(WINGIT_TEMP_DIR)/usr/bin/msys-crypto-1.1.dll $(LIMA_OUTDIR)/bin/
 	# Required by ssh.exe, from https://packages.msys2.org/package/zlib-devel?repo=msys&variant=x86_64
 	cp $(WINGIT_TEMP_DIR)/usr/bin/msys-z.dll $(LIMA_OUTDIR)/bin/
 	# Required by ssh.exe, from https://packages.msys2.org/package/libcrypt?repo=msys&variant=x86_64