plugins: New static scanner and validator, with Thema slot support (#53754)

* coremodels: Convert plugin-metadata schema to a coremodel

* Newer cuetsy; try quoting field name

* Add slot definitions

* Start sketching out pfs package

* Rerun codegen with fixes, new cuetsy

* Catch up dashboard with new cuetsy

* Update to go1.18

* Use new vmuxers in thema

* Add slot system in Go

* Draft finished implementation of pfs

* Collapse slot pkg into coremodel dir; add PluginInfo

* Add the mux type on top of kernel

* Refactor plugin generator for extensibility

* Change models.cue package, numerous debugs

* Bring new output to parity with old

* Remove old plugin generation logic

* Misc tweaking

* Reintroduce generation of shared schemas

* Drop back to go1.17

* Add globbing to tsconfig exclude

* Introduce pfs test on existing testdata

* Make most existing testdata tests pass with pfs

* coremodels: Convert plugin-metadata schema to a coremodel

* Newer cuetsy; try quoting field name

* Add APIType control concept, regen pluginmeta

* Use proper numeric types for schema fields

* Make pluginmeta schema follow Go type breakdown

* More decomposition into distinct types

* Add test case for no plugin.json file

* Fix missing ref to #Dependencies

* Remove generated TS for pluginmeta

* Update dependencies, rearrange go.mod

* Regenerate without Model prefix

* Use updated thema loader; this is now runnable

* Skip app plugin with weird include

* Make plugin tree extractor reusable

* Split out slot lineage load/validate logic

* Add myriad tests for new plugin validation failures

* Add test for zip fixtures

* One last run of codegen

* Proper delinting

* Ensure validation order is deterministic

* Let there actually be sorting

* Undo reliance on builtIn field (#54009)

* undo builtIn reliance

* fix tests

Co-authored-by: Will Browne <wbrowne@users.noreply.github.com>

pkg/plugins/manager/testdata/non-pvt-with-root-url/plugin/MANIFEST.txt

@@ -10,22 +10,22 @@ Hash: SHA512
   "rootUrls": [
     "https://dev.grafana.com/"
   ],
-  "plugin": "test",
+  "plugin": "test-datasource",
   "version": "1.0.0",
-  "time": 1657888677250,
+  "time": 1661173657946,
   "keyId": "7e4d0c6a708866e7",
   "files": {
-    "plugin.json": "2bb467c0bfd6c454551419efe475b8bf8573734e73c7bab52b14842adb62886f"
+    "plugin.json": "203ef4a613c5693c437a665cd67f95e2756a0f71b336b2ffb265db7c180d0b19"
   }
 }
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