servers: add commit pins for remaining local servers

Signed-off-by: Jacob Howard <jacob.howard@docker.com>

Author: xenoscopic

servers/browserbase/server.yaml

@@ -14,6 +14,7 @@ about:
   icon: https://avatars.githubusercontent.com/u/132273001?s=200&v=4
 source:
   project: https://github.com/browserbase/mcp-server-browserbase
+  commit: b7ec6f6cf0b2224a3ca9952ac158eaa8e600f929
   dockerfile: Dockerfile
 config:
   description: Configure Browserbase API credentials for browser automation

servers/cylera-mcp-server/server.yaml

@@ -12,6 +12,7 @@ about:
     icon: https://github.com/Cylera/cylera-mcp-server/blob/main/assets/cylera_logo.png?raw=true
 source:
     project: https://github.com/Cylera/cylera-mcp-server
+    commit: d8034893525a78d5e4bfca65dd291e7d498f8f0e
 config:
     description: Configure the connection to the official MCP Server for Cylera.
     secrets:

servers/pulumi/server.yaml

@@ -12,6 +12,7 @@ about:
   icon: https://avatars.githubusercontent.com/u/21992475?s=200&v=4
 source:
   project: https://github.com/pulumi/mcp-server
+  commit: bb10e6c60943f25b200fc0e7c221f2d1e259aff6
 run:
   command:
     - stdio