gnu: go-github-com-google-go-cmp-cmp: Rename variable.

* gnu/packages/golang.scm (go-github-com-google-go-cmp-cmp): Rename
variable to go-github-com-google-go-cmp, which reflects go.mod import
path and improves importer performance.

(go-github-com-zclconf-go-cty, go-golang-org-x-vuln,
go-google-golang-org-protobuf, go-gotest-tools-assert,
go-gotest-tools-internal-source, go-gotest-tools-internal-format,
gofumpt, gopls, gotestsum): Swap go-github-com-google-go-cmp-cmp to
go-github-com-google-go-cmp in inputs, propagated-inputs or
native-inputs.

* gnu/packages/golang-check.scm (go-github-com-frankban-quicktest,
go-github-com-google-go-cmdtest): Likewise.

* gnu/packages/golang-web.scm (go-github-com-aws-aws-sdk-go-v2,
go-github-com-aws-aws-sdk-go-v2-config, go-github-com-aws-smithy-go,
go-github-com-go-jose-go-jose-v3,
go-github-com-makeworld-the-better-one-go-gemini,
go-golang-org-x-oauth2, go-gopkg-in-square-go-jose-v2): Likewise.

* gnu/packages/golang-xyz.scm (go-github-com-goccy-go-yaml): Likewise.

* gnu/packages/check.scm (actionlint): Likewise.
* gnu/packages/databases.scm (sqls): Likewise.
* gnu/packages/ipfs.scm (go-github-com-ipld-go-ipld-prime,
go-github-com-whyrusleeping-cbor-gen): Likewise.
* gnu/packages/web.scm (go-github-com-itchyny-gojq): Likewise.

Change-Id: Ie6eeba936f7da404d70fbbaad34f5b43aec4e05b

gnu/packages/golang-xyz.scm

@@ -2154,7 +2154,7 @@ the library more lightweight.")
                   (invoke "go" "test" "-v" "./..."))))))))
     (native-inputs
      (list go-github-com-go-playground-validator-v10
-           go-github-com-google-go-cmp-cmp))
+           go-github-com-google-go-cmp))
     (propagated-inputs
      (list go-github-com-fatih-color
            go-golang-org-x-xerrors))