Convert .codeqlmanifest.json to codeql-workspace.yml

The semantics are the same, except one is json, the other is
yaml.

codeql-workspace.yml

@@ -0,0 +1,27 @@
+provide:
+  - "*/ql/src/qlpack.yml"
+  - "*/ql/lib/qlpack.yml"
+  - "*/ql/test/qlpack.yml"
+  - "*/ql/examples/qlpack.yml"
+  - "*/ql/consistency-queries/qlpack.yml"
+  - "cpp/ql/test/query-tests/Security/CWE/CWE-190/semmle/tainted/qlpack.yml"
+  - "go/ql/config/legacy-support/qlpack.yml"
+  - "go/build/codeql-extractor-go/codeql-extractor.yml"
+  - "javascript/ql/experimental/adaptivethreatmodeling/lib/qlpack.yml"
+  - "javascript/ql/experimental/adaptivethreatmodeling/model/qlpack.yml"
+  - "javascript/ql/experimental/adaptivethreatmodeling/modelbuilding/qlpack.yml"
+  - "javascript/ql/experimental/adaptivethreatmodeling/src/qlpack.yml"
+  - "csharp/ql/campaigns/Solorigate/lib/qlpack.yml"
+  - "csharp/ql/campaigns/Solorigate/src/qlpack.yml"
+  - "csharp/ql/campaigns/Solorigate/test/qlpack.yml"
+  - "misc/legacy-support/*/qlpack.yml"
+  - "misc/suite-helpers/qlpack.yml"
+  - "ruby/extractor-pack/codeql-extractor.yml"
+  - "swift/extractor-pack/codeql-extractor.yml"
+  - "ql/extractor-pack/codeql-extractor.ym"
+
+versionPolicies:
+  default:
+    requireChangeNotes: true
+    committedPrereleaseSuffix: dev
+    committedVersion: nextPatchRelease