[FLINK-35139][Connectors/MongoDB] Drop support for Flink 1.17

diff --git a/.github/workflows/push_pr.yml b/.github/workflows/push_pr.yml
index 4df1ef6..1402bbd 100644
--- a/.github/workflows/push_pr.yml
+++ b/.github/workflows/push_pr.yml
@@ -28,11 +28,9 @@
   compile_and_test:
     strategy:
       matrix:
-        flink: [ 1.17-SNAPSHOT ]
-        jdk: [ '8, 11' ]
+        flink: [ 1.18-SNAPSHOT ]
+        jdk: [ '8, 11, 17' ]
         include:
-          - flink: 1.18-SNAPSHOT
-            jdk: '8, 11, 17'
           - flink: 1.19-SNAPSHOT
             jdk: '8, 11, 17, 21'
           - flink: 1.20-SNAPSHOT
diff --git a/.github/workflows/weekly.yml b/.github/workflows/weekly.yml
index c4f249e..f3fdb8f 100644
--- a/.github/workflows/weekly.yml
+++ b/.github/workflows/weekly.yml
@@ -30,9 +30,6 @@
     strategy:
       matrix:
         flink_branches: [ {
-          flink: 1.17-SNAPSHOT,
-          branch: main
-        }, {
           flink: 1.18-SNAPSHOT,
           jdk: '8, 11, 17',
           branch: main
diff --git a/pom.xml b/pom.xml
index 3325945..81e826b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -27,7 +27,6 @@
 		<version>1.1.0</version>
 	</parent>
 
-	<groupId>org.apache.flink</groupId>
 	<artifactId>flink-connector-mongodb-parent</artifactId>
 	<version>1.2-SNAPSHOT</version>
 
@@ -53,7 +52,7 @@
 	<properties>
 		<mongodb.version>4.7.2</mongodb.version>
 
-		<flink.version>1.17.0</flink.version>
+		<flink.version>1.18.0</flink.version>
 		<scala.binary.version>2.12</scala.binary.version>
 		<scala-library.version>2.12.7</scala-library.version>
 		<junit5.version>5.8.1</junit5.version>