Update POM files.

Author: yruslan

README.md

@@ -319,7 +319,7 @@ The fat jar will have '-bundle' suffix. You can also download pre-built bundles
 
 Then, run `spark-shell` or `spark-submit` adding the fat jar as the option.
 ```sh
-$ spark-shell --jars spark-cobol_2.12_3.3-2.7.0-SNAPSHOT-bundle.jar
+$ spark-shell --jars spark-cobol_2.12_3.3-2.7.1-SNAPSHOT-bundle.jar
 ```
 
 > <b>A note for building and running tests on Windows</b>

cobol-converters/pom.xml

@@ -22,7 +22,7 @@
     <parent>
         <groupId>za.co.absa.cobrix</groupId>
         <artifactId>cobrix_2.12</artifactId>
-        <version>2.7.0-SNAPSHOT</version>
+        <version>2.7.1-SNAPSHOT</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 

cobol-parser/pom.xml

@@ -22,7 +22,7 @@
     <parent>
         <groupId>za.co.absa.cobrix</groupId>
         <artifactId>cobrix_2.12</artifactId>
-        <version>2.7.0-SNAPSHOT</version>
+        <version>2.7.1-SNAPSHOT</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 

pom.xml

@@ -22,7 +22,7 @@
     <groupId>za.co.absa.cobrix</groupId>
     <artifactId>cobrix_2.12</artifactId>
 
-    <version>2.7.0-SNAPSHOT</version>
+    <version>2.7.1-SNAPSHOT</version>
 
     <packaging>pom</packaging>
 

spark-cobol/pom.xml

@@ -22,7 +22,7 @@
 	<parent>
 		<groupId>za.co.absa.cobrix</groupId>
 		<artifactId>cobrix_2.12</artifactId>
-		<version>2.7.0-SNAPSHOT</version>
+		<version>2.7.1-SNAPSHOT</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>