[ML] Adjusting bwc serialization version to 7.6.0 (#48960)

Author: benwtrent

x-pack/plugin/core/src/main/java/org/elasticsearch/xpack/core/ml/job/results/AnomalyCause.java

@@ -121,7 +121,7 @@ public AnomalyCause(StreamInput in) throws IOException {
         if (in.readBoolean()) {
             influencers = in.readList(Influence::new);
         }
-        if (in.getVersion().onOrAfter(Version.V_8_0_0)) {
+        if (in.getVersion().onOrAfter(Version.V_7_6_0)) {
             geoResults = in.readOptionalWriteable(GeoResults::new);
         }
     }
@@ -154,7 +154,7 @@ public void writeTo(StreamOutput out) throws IOException {
         if (hasInfluencers) {
             out.writeList(influencers);
         }
-        if (out.getVersion().onOrAfter(Version.V_8_0_0)) {
+        if (out.getVersion().onOrAfter(Version.V_7_6_0)) {
             out.writeOptionalWriteable(geoResults);
         }
     }

x-pack/plugin/core/src/main/java/org/elasticsearch/xpack/core/ml/job/results/AnomalyRecord.java

@@ -193,7 +193,7 @@ public AnomalyRecord(StreamInput in) throws IOException {
         if (in.readBoolean()) {
             influences = in.readList(Influence::new);
         }
-        if (in.getVersion().onOrAfter(Version.V_8_0_0)) {
+        if (in.getVersion().onOrAfter(Version.V_7_6_0)) {
             geoResults = in.readOptionalWriteable(GeoResults::new);
         }
     }
@@ -239,7 +239,7 @@ public void writeTo(StreamOutput out) throws IOException {
         if (hasInfluencers) {
             out.writeList(influences);
         }
-        if (out.getVersion().onOrAfter(Version.V_8_0_0)) {
+        if (out.getVersion().onOrAfter(Version.V_7_6_0)) {
             out.writeOptionalWriteable(geoResults);
         }
     }