Put all labels and globs in quotes for automatic labeling config

It is too easy to run afoul of yaml syntax with all these colons an asterisks,
e.g. we recently broke the bot like this:

``
YAMLException: unidentified alias ".md" at line 58, column 9:
      - *.md
            ^
    at generateError (/home/runner/work/_actions/bytecodealliance/labeler/schedule-fork/dist/index.js:8357:10)
    at throwError (/home/runner/work/_actions/bytecodealliance/labeler/schedule-fork/dist/index.js:8363:9)
    at readAlias (/home/runner/work/_actions/bytecodealliance/labeler/schedule-fork/dist/index.js:9466:5)
    at composeNode (/home/runner/work/_actions/bytecodealliance/labeler/schedule-fork/dist/index.js:9558:20)
    at readBlockMapping (/home/runner/work/_actions/bytecodealliance/labeler/schedule-fork/dist/index.js:9226:16)
    at composeNode (/home/runner/work/_actions/bytecodealliance/labeler/schedule-fork/dist/index.js:9549:12)
    at readBlockSequence (/home/runner/work/_actions/bytecodealliance/labeler/schedule-fork/dist/index.js:9145:5)
    at composeNode (/home/runner/work/_actions/bytecodealliance/labeler/schedule-fork/dist/index.js:9548:12)
    at readBlockMapping (/home/runner/work/_actions/bytecodealliance/labeler/schedule-fork/dist/index.js:9279:11)
    at composeNode (/home/runner/work/_actions/bytecodealliance/labeler/schedule-fork/dist/index.js:9549:12)
```

.github/labeler.yml

@@ -17,43 +17,43 @@
 #
 # Note that we keep the labels in alphabetical order below.
 
-cranelift:
+"cranelift":
-  - cranelift/**
+  - "cranelift/**"
 
 "cranelift:docs":
-  - cranelift/docs/**
+  - "cranelift/docs/**"
 
 "cranelift:meta":
-  - cranelift/codegen/meta/**
+  - "cranelift/codegen/meta/**"
 
 "cranelift:module":
-  - cranelift/faerie/**
+  - "cranelift/faerie/**"
-  - cranelift/module/**
+  - "cranelift/module/**"
-  - cranelift/object/**
+  - "cranelift/object/**"
-  - cranelift/simplejit/**
+  - "cranelift/simplejit/**"
 
 "cranelift:wasm":
-  - cranelift/wasm/**
+  - "cranelift/wasm/**"
-  - cranelift/wasmtests/**
+  - "cranelift/wasmtests/**"
 
-fuzzing:
+"fuzzing":
-  - crates/fuzzing/**
+  - "crates/fuzzing/**"
-  - fuzz/**
+  - "fuzz/**"
 
-lightbeam:
+"lightbeam":
-  - crates/lightbeam/**
+  - "crates/lightbeam/**"
 
-wasi:
+"wasi":
-  - crates/wasi/**
+  - "crates/wasi/**"
-  - crates/wasi-common/**
+  - "crates/wasi-common/**"
-  - crates/wiggle/**
+  - "crates/wiggle/**"
 
 "wasmtime:api":
-  - crates/api/**
+  - "crates/api/**"
 
 "wasmtime:c-api":
-  - crates/c-api/**
+  - "crates/c-api/**"
 
 "wasmtime:docs":
-  - *.md
+  - "*.md"
-  - docs/**
+  - "docs/**"