bump upstreams

Adopt:
- netconf 7.0.7
- bgpcep 0.21.7

Signed-off-by: Ivan Hrasko <ivan.hrasko@pantheon.tech>
(cherry picked from commit 2fd6c6e)

lighty-core/dependency-versions/pom.xml

@@ -62,7 +62,7 @@
             <dependency>
                 <groupId>org.opendaylight.netconf</groupId>
                 <artifactId>netconf-artifacts</artifactId>
-                <version>7.0.6</version>
+                <version>7.0.7</version>
                 <type>pom</type>
                 <scope>import</scope>
             </dependency>
@@ -76,7 +76,7 @@
             <dependency>
                 <groupId>org.opendaylight.bgpcep</groupId>
                 <artifactId>bgpcep-artifacts</artifactId>
-                <version>0.21.6</version>
+                <version>0.21.7</version>
                 <type>pom</type>
                 <scope>import</scope>
             </dependency>