fix typo in proxy-client pom, 'Import-Pckage' -> 'Import-Package'

Signed-off-by: Derek Moore <derek.p.moore@gmail.com>

ext/proxy-client/pom.xml

diff --git a/ext/proxy-client/pom.xml b/ext/proxy-client/pom.xml
index 8037c42..034305d 100644
--- a/ext/proxy-client/pom.xml
+++ b/ext/proxy-client/pom.xml
@@ -41,10 +41,10 @@
                 <extensions>true</extensions>
                 <configuration>
                     <instructions>
-                        <Import-Pckage>
+                        <Import-Package>
                             ${jakarta.rest.osgi.version},
                             *
-                        </Import-Pckage>
+                        </Import-Package>
                         <Export-Package>org.glassfish.jersey.client.proxy.*;version=${project.version}</Export-Package>
                     </instructions>
                     <unpackBundle>true</unpackBundle>