Bump up version in dev Dockerfile and Issue Template (#981)

* Add 0.7.0 version to issue template

* Bump up pyiceberg version in dev Dockerfile

Author: ndrluis

.github/ISSUE_TEMPLATE/iceberg_bug_report.yml

@@ -9,7 +9,8 @@ body:
       description: What Apache Iceberg version are you using?
       multiple: false
       options:
-        - "0.6.1 (latest release)"
+        - "0.7.0 (latest release)"
+        - "0.6.1"
         - "0.6.0"
         - "0.5.0"
         - "0.4.0"

dev/Dockerfile

@@ -39,7 +39,7 @@ WORKDIR ${SPARK_HOME}
 ENV SPARK_VERSION=3.5.0
 ENV ICEBERG_SPARK_RUNTIME_VERSION=3.5_2.12
 ENV ICEBERG_VERSION=1.5.2
-ENV PYICEBERG_VERSION=0.6.1
+ENV PYICEBERG_VERSION=0.7.0
 
 RUN curl --retry 3 -s -C - https://archive.apache.org/dist/spark/spark-${SPARK_VERSION}/spark-${SPARK_VERSION}-bin-hadoop3.tgz -o spark-${SPARK_VERSION}-bin-hadoop3.tgz \
  && tar xzf spark-${SPARK_VERSION}-bin-hadoop3.tgz --directory /opt/spark --strip-components 1 \