Revert "Bump github.com/IBM/vpc-go-sdk in the ibm-sdk-1-29 group (#547)"

This reverts commit cf84ec9.

Author: jckasper

go.mod

@@ -5,7 +5,7 @@ go 1.24.0
 require (
 	github.com/IBM/go-sdk-core/v5 v5.21.2
 	github.com/IBM/platform-services-go-sdk v0.90.4
-	github.com/IBM/vpc-go-sdk v0.77.0
+	github.com/IBM/vpc-go-sdk v0.76.2
 	github.com/fsnotify/fsnotify v1.9.0
 	github.com/go-openapi/strfmt v0.25.0
 	github.com/spf13/cobra v1.10.2

go.sum

@@ -8,8 +8,8 @@ github.com/IBM/go-sdk-core/v5 v5.21.2 h1:mJ5QbLPOm4g5qhZiVB6wbSllfpeUExftGoyPek2
 github.com/IBM/go-sdk-core/v5 v5.21.2/go.mod h1:ngpMgwkjur1VNUjqn11LPk3o5eCyOCRbcfg/0YAY7Hc=
 github.com/IBM/platform-services-go-sdk v0.90.4 h1:60oLi1S/9C23/BidRSC1MWNlQVEezk+x4giOb9NkEPQ=
 github.com/IBM/platform-services-go-sdk v0.90.4/go.mod h1:KAnBhxKaYsu9It2aVXV6oCPEj78imvTs2qSG0ScZKpM=
-github.com/IBM/vpc-go-sdk v0.77.0 h1:qAJ1lrwRn509v9yIx3M7pYtBiAucpug+6M/63KS6Er0=
-github.com/IBM/vpc-go-sdk v0.77.0/go.mod h1:85bJ/0FS7vYAifHdZvlnXypf8pQSmuf9kxReDDI5ZdY=
+github.com/IBM/vpc-go-sdk v0.76.2 h1:bZ6aHA1X69Ekn9rxd5XyjxuV9dwEneamEPYojDPHZdA=
+github.com/IBM/vpc-go-sdk v0.76.2/go.mod h1:hhgE1EQZRq1Cngdh4A6+LLUaA0kKWW/rgfHpISM+AKg=
 github.com/NYTimes/gziphandler v1.1.1 h1:ZUDjpQae29j0ryrS0u/B8HZfJBtBQHjqw2rQ2cqUQ3I=
 github.com/NYTimes/gziphandler v1.1.1/go.mod h1:n/CVRwUEOgIxrgPvAQhUUr9oeUtvrhMomdKFjzJNB0c=
 github.com/antlr/antlr4/runtime/Go/antlr/v4 v4.0.0-20230305170008-8188dc5388df h1:7RFfzj4SSt6nnvCPbCqijJi1nWCd+TqAT3bYCStRC18=