cue modules: move stdlib to pkg/alpha.dagger.io

In preparation for Europa, we will vendor multiple CUE modules:

- `pkg/alpha.dagger.io`: legacy non-europa packages
- `pkg/dagger.io`: core Europa packages
- `pkg/universe.dagger.io`: Europa universe

Signed-off-by: Andrea Luzzardi <aluzzardi@gmail.com>

pkg/alpha.dagger.io/.dagger/env/git-commit/values.yaml

@@ -0,0 +1,26 @@
+plan:
+    package: ./git/tests/commit
+name: git-commit
+inputs:
+    TestAuthToken:
+        secret: ENC[AES256_GCM,data:1F5Km+lgtvwkMIOoNRvnjbxUkeFp7xgNrk20Rbd0vlJGFurHpwSO6g==,iv:DgwDFxbMs80U8ICOdAWIWfPy9BLIzM6sSPHXe5gE+y8=,tag:sQ0al8wERZdvtgUZYe4pTA==,type:str]
+sops:
+    kms: []
+    gcp_kms: []
+    azure_kv: []
+    hc_vault: []
+    age:
+        - recipient: age1gxwmtwahzwdmrskhf90ppwlnze30lgpm056kuesrxzeuyclrwvpsupwtpk
+          enc: |
+            -----BEGIN AGE ENCRYPTED FILE-----
+            YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSBnWkIxUExFTnQ2VS9pSHVv
+            Ykd6eUl4dlRQeU9YRGtLQWhPNExZakZORG5VCkVLN3NnNlNxZ0hmQW9TRGU5WXpN
+            UmYzZE1BUWZ1WDlPWjA2dURIbDA1bGcKLS0tIHBkR3c2U3IxY2w5Z0YxOWxLRkVv
+            M3RnUDF5QlhhZUV4NHF5ZWhkcHVrNmcKUJIummOk3FX1Bert7gaMtbMpbosIf/d3
+            HBATJRng4VNmcSimSh14pDRxyW0NdIPA+oL4tidwLVbQQv/74+IGKg==
+            -----END AGE ENCRYPTED FILE-----
+    lastmodified: "2022-01-03T17:48:06Z"
+    mac: ENC[AES256_GCM,data:EamKomihsz84e/FyyVRAOAxzI1CsWstMfTa4DDIouO/7Z3+70KLm82IfS/FAiv8dYhj8d7z13JFXCJIpaBwalt7KhagCGza8xcaEMteDvO17SPwhD82mZNqmxmiv6504UXhjRoG5nF/uRRC6WDmt6IAFtEHWfdw44Hu1PMAlhaM=,iv:Pr+RgNvQTRjEHop1BKbAJ4ASZRj8wox7pmlpUeUGk9Y=,tag:FXrUTLYQLSxPajQ+MoKmLw==,type:str]
+    pgp: []
+    encrypted_suffix: secret
+    version: 3.7.1