Add production OIDC provider for Eclipse (#1472)

Signed-off-by: Hayden Blauzvern <[email protected]>

config/fulcio-config.yaml

@@ -38,6 +38,11 @@ data:
               "ClientID": "sigstore",
               "Type": "email"
             },
+            "https://auth.eclipse.org/auth/realms/sigstore": {
+              "IssuerURL": "https://auth.eclipse.org/auth/realms/sigstore",
+              "ClientID": "sigstore",
+              "Type": "email"
+            },
             "https://dev.gitlab.org": {
               "IssuerURL": "https://dev.gitlab.org",
               "ClientID": "sigstore",

federation/auth.eclipse.org/config.yaml

@@ -0,0 +1,18 @@
+# Copyright 2023 The Sigstore Authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+url: https://auth.eclipse.org/auth/realms/sigstore 
+contact: [email protected]
+description: "Eclipse Foundation Production OIDC provider"
+type: "email"